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Finding the Fourth Proportional to 447,652.48, 617,819.48 and 256,628.92

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Solution

The fourth proportional to 447,652.48, 617,819.48 and 256,628.92 is: 354,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,652.48 : 617,819.48 = 256,628.92 : x
  2. Step 2: Convert to fraction form
    447,652.48/617,819.48 = 256,628.92/x
  3. Step 3: Cross multiply
    447,652.48x = 617,819.48 × 256,628.92
  4. Step 4: Simplify right side
    447,652.48x = 158,550,345,907.36
  5. Step 5: Solve for x
    x = 158,550,345,907.36/447,652.48
  6. Step 6: Final answer
    x = 354,181.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.